Dissemination of IT for the Promotion of Materials Science (DoITPoMS)

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85 videos for category Experimental procedure:


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Image Link to full record for video 137 video 137 : The shape memory effect: close up of the heating of the springs in a Ferris wheel. From the TLP Superelasticity and Shape Memory Alloys
Image Link to full record for video 145 video 145 : A force is applied to a paper sheet by stretching it across a metal strip. When the cut is lengthened the crack grows quite suddenly. From TLP: Brittle Fracture
Image Link to full record for video 147 video 147 : A sample of aluminium rod is pulled until it breaks through necking .
Image Link to full record for video 148 video 148 : A sample of brass60/40 rod is pulled until it breaks through necking .
Image Link to full record for video 149 video 149 : A sample of brass70/30 rod is pulled until it breaks through necking.
Image Link to full record for video 150 video 150 : A sample of copper rod is pulled until it breaks through necking.
Image Link to full record for video 151 video 151 : The characteristic sound heard when a bar of tin is bent - the tin cry. It is based on twinning, which is common in structures of low crystallographic symmetry.
Image Link to full record for video 152 video 152 : A NiTi shape memory alloy is first deformed and its shape regained through heating. It also includes a general explanation of the Shape Memory Effect phenomenon.
Image Link to full record for video 153 video 153 : Crack propagation in inflated balloons. It includes the basics of fracture, stress fields in internally pressurised cylinders and the Griffith treatment of the energetics of crack propagation.
Image Link to full record for video 154 video 154 : Shows how cooling of bi-material strips with liquid nitrogen generates curvature

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